title: Small-diameter prosthetic H-graft portacaval shunts in the treatment of portal hypertension.
mesh_terms: D000328:Adult; D001807:Blood Vessel Prosthesis; D005260:Female; D006801:Humans; D006975:Hypertension, Portal / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D011138:Polytetrafluoroethylene; D011167:Portacaval Shunt, Surgical / Q000379:methods*; D016896:Treatment Outcome
chemical_list: D011138:Polytetrafluoroethylene